将题后的单词转换为适当的词性，填入空格内：

　　1. The ( 　) of yellow and blue form green.
　　combine

　　2. The store is in an ideal (　 ) to draw tourists.
　　situate

　　3. The thief's (　 ) of guilt closed the case.
　　confess

　　4. There is no (　 ) between the nations.
　　relate

　　5. He had a long telephone (　 ).
　　converse

　 参考答案：
　　1. combination
　　2. situation
　　3. confession
　　4. relation
　　5. conversation